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java-lotto-precourse

๋ฏธ์…˜ ๊ฐœ์š”

๋กœ๋˜ ๊ตฌ์ž… ๊ธˆ์•ก์„ ์ž…๋ ฅ ๋ฐ›๊ณ  ํ•ด๋‹น ๊ธˆ์•ก์— ๋งž๋Š” ๋กœ๋˜๋ฅผ ๋ฐœํ–‰ํ•˜์—ฌ ์‚ฌ์šฉ์ž๊ฐ€ ๊ตฌ๋งคํ•œ ๋กœ๋˜ ๋ฒˆํ˜ธ์™€ ๋‹น์ฒจ ๋ฒˆํ˜ธ๋ฅผ ๋น„๊ต, ๋‹น์ฒจ ๋‚ด์—ญ ๋ฐ ์ˆ˜์ต๋ฅ ์„ ์ถœ๋ ฅํ•˜๋Š”

๊ธฐ๋Šฅ ์š”๊ตฌ ์‚ฌํ•ญ

๋กœ๋˜ ๋ฐœ๊ถŒ

  • ๋กœ๋˜ ๊ตฌ์ž… ๊ธˆ์•ก์„ 1,000์› ๋‹จ์œ„๋กœ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค.

  • ๊ธˆ์•ก์— ํ•ด๋‹นํ•˜๋Š”๋งŒํผ 1์žฅ ๋‹น 1,000์›์ธ ๋กœ๋˜๋ฅผ ๋ฐœํ–‰ํ•œ๋‹ค.

  • 1,000์›์œผ๋กœ ๋‚˜๋ˆ„์–ด ๋–จ์–ด์ง€์ง€ ์•Š๋Š” ๊ฒฝ์šฐ ์˜ˆ์™ธ๋ฅผ ๋ฐœ์ƒ์‹œํ‚จ๋‹ค.

  • ๋กœ๋˜ ๋ฐœํ–‰ ์‹œ 1~45 ์‚ฌ์ด์˜ ์ค‘๋ณต๋˜์ง€ ์•Š๋Š” 6๊ฐœ์˜ ์ˆซ์ž๋ฅผ ๋ฐœํ–‰ํ•œ๋‹ค.

  • ๋ฐœํ–‰ํ•œ ๋กœ๋˜ ์ˆ˜๋Ÿ‰ ๋ฐ ๋ฒˆํ˜ธ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค.

  • ๋กœ๋˜ ๋ฒˆํ˜ธ๋Š” ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ์ •๋ ฌํ•˜์—ฌ ๋ณด์—ฌ์ค€๋‹ค.

๋‹น์ฒจ ๋ฒˆํ˜ธ ์ถ”์ฒจ

  • ๋‹น์ฒจ๋ฒˆํ˜ธ 6๊ฐœ & ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ 1๊ฐœ๋ฅผ ๋‚˜๋ˆ  ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค.
  • 6๊ฐœ์˜ ์ˆซ์ž๋Š” ์‰ผํ‘œ(',')๋กœ ๊ตฌ๋ถ„ํ•œ๋‹ค.
  • 7๊ฐœ์˜ ์ˆซ์ž๋Š” ๋ชจ๋‘ 1~45 ์‚ฌ์ด์˜ ์ค‘๋ณต๋˜์ง€ ์•Š๋Š” ์ˆ˜๋กœ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค.

๋‹น์ฒจ ๊ฒฐ๊ณผ

  • ์ผ์น˜ํ•˜๋Š” ๋ฒˆํ˜ธ์˜ ๊ฐœ์ˆ˜์— ๋”ฐ๋ผ ๋‹น์ฒจ ๊ฒฐ๊ณผ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค.
  • ๊ฐ ๋“ฑ์ˆ˜์— ํ•ด๋‹นํ•˜๋Š” ๋กœ๋˜๊ฐ€ ๋ช‡ ๊ฐœ์ธ์ง€ ์ถœ๋ ฅํ•œ๋‹ค.
  • ๊ตฌ๋งค ๊ธˆ์•ก ๋Œ€๋น„ ์ˆ˜์ต๋ฅ ์„ ์ถœ๋ ฅํ•œ๋‹ค.
  • ์ˆ˜์ต๋ฅ ์€ ์†Œ์ˆ˜์  ๋‘˜์งธ์ž๋ฆฌ์—์„œ ๋ฐ˜์˜ฌ๋ฆผํ•œ๋‹ค.

์˜ˆ์™ธ์ฒ˜๋ฆฌ

  • ์‚ฌ์šฉ์ž๊ฐ€ ์ž˜๋ชป๋œ ๊ฐ’์„ ์ž…๋ ฅํ•  ๊ฒฝ์šฐ IllegalArgumentException์„ ๋ฐœ์ƒ์‹œํ‚ค๊ณ  "[ERROR]"๋กœ ์‹œ์ž‘ํ•˜๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅ ํ›„ ๊ทธ ๋ถ€๋ถ„๋ถ€ํ„ฐ ์ž…๋ ฅ์„ ๋‹ค์‹œ ๋ฐ›๋Š”๋‹ค.
  • Exception์ด ์•„๋‹Œ IllegalArgumentException, IllegalStateException ๋“ฑ๊ณผ ๊ฐ™์€ ๋ช…ํ™•ํ•œ ์œ ํ˜•์„ ์ฒ˜๋ฆฌํ•œ๋‹ค.

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